In the 2019 European Parliament election the largest parties got the following vote shares:

Note that Brexit happened since then and note that this is about votes, not seats. The number of total seats changed since the last election so vote share feels more intuitive.

Current polls are available here, for example.

This resolves YES for every party that gets a higher share of the votes in the 2024 election.

Resolves NO for every party that gets a lower or equal share.